Recommended engine break-in procedures???

[Chamberpains]

Register your engine with Cummins quick-serve. Go to service manuals signature, ISX, QSX15 service manual then scroll down to Section 14 "Engine Testing" then "Engine run-in(without dynamometer)

You'll find full Cummins guidelines. Its really simple.

As far as the oil change. I left mine in for 2000 miles the 1st time and 5000 for the 2nd. I couldn't find a cummins guideline for 1st oil change. But mine was a Cummins reman long block so I assumed they had a cleaner build process.
I also sampled the oil both times to ensure number dropped to normal from the crazy high levels of all metals on the 1st. Probably a stupid test but I wanted to see what a fresh engine, oil sample looked like. And I only use Fleetguaurd filter on the entire engine.